CN218774205U - Speed difference device with buffer structure - Google Patents

Abstract

The utility model provides a speed differentiator with buffer structure, including first casing, the second casing, the center pin, the centre wheel, and rope, first casing is assembled mutually with the second casing, and form accommodation space, the center pin is joined in marriage perpendicularly and is located in accommodation space, the centre wheel suit is on the center pin, rope one end twines in the grooving on the wall all around of centre wheel outside, the other end of rope stretches out outside first casing and the second casing, and the end is rewound and is drawn together, still be equipped with on the left end face of centre wheel and hold the cavity, be equipped with between center pin and the accommodation cavity and impel its gyration's wind spring after the center pin rotates, the opening end department that holds the cavity still installs the apron, the apron adopts non-magnetic material to make, still install the magnet on the internal face of the relative apron of first casing, the magnet is relative with the apron interval. The utility model discloses a rope is retrieved and release rate is mild, and operating personnel uses more comfortablely, and the clockwork spring is difficult for breaking phenomenon, use safelyr in the use, is suitable for the popularization.

Description

Speed difference device with buffer structure

Technical Field

The utility model relates to a speed differentiator technical field especially relates to a speed differentiator with buffer structure.

Background

The release or recovery that the rope in the diff unit that owns on the market at present goes on under the effect of center pin and clockwork spring is too fast, can produce the reaction force to the user to cause slight injury to the user, and extremely easily make clockwork spring breaking phenomenon too fast during the recovery, consequently need to make further improvement on this basis.

SUMMERY OF THE UTILITY MODEL

The shortcoming that exists to the above-mentioned prior art, the utility model aims at providing a rope recovery rate is mild, and operating personnel uses more comfortablely, and the clockwork spring is difficult for breaking phenomenon, the safer differential speed ware that has buffer structure of use taking place in the use.

The utility model provides a technical scheme that its technical problem adopted is, a speed differentiator with buffer structure, including first casing, second casing, center pin, centre wheel, and rope, first casing with the second casing is assembled mutually and is formed accommodation space, the center pin is joined in marriage perpendicularly in the accommodation space, the centre wheel suit in on the center pin, rope one end twine in the grooving on the wall of centre wheel outside week, the other end of rope stretches out first casing with the second casing is outer, and the end is rewound and is drawn together, still be equipped with on the left end face of centre wheel and hold the cavity, the center pin with hold and be equipped with between the cavity make its gyration's clockwork spring after the center pin rotates, the opening end department that holds the cavity still installs the apron, the apron makes the clockwork spring be injectd to in hold in the cavity, first casing is relative still install the magnet on the internal face of apron, the magnet with the apron interval is relative.

Adopt above-mentioned technical scheme's advantage: during normal use, the rope will freely stretch out and draw back along with the human body, under the clockwork effect with center pin complex, locate half tense state, make operating personnel not have the sense of traction, when the miss falls, rope pull-out speed obviously accelerates, at this moment because there is magnetic field around the magnet, magnetic field can form damping effect to the forward rotation of clockwork spring, thereby slow down rope pull-out speed, make the impact force reduce greatly, avoided forming the emergence of injury phenomenon to the personnel that fall, when the load is relieved, the rope realizes retrieving under the effect of clockwork spring elastic potential energy, at this moment because there is magnetic field around the magnet, magnetic field can also form damping effect to the reverse rotation of clockwork spring, the reverse rotation rate of clockwork spring that can make is mild, thereby realize reducing rope retrieval rate, rope retrieves more steadily, the impact force that retrieves the production also can reduce greatly, the setting of apron, make the clockwork spring be injectd in holding the cavity, can not take place the phenomenon of adsorption contact with the magnet, the mounting structure setting that the magnet is relative with the apron interval, the magnetic field of magnet is reasonable to the power that the clockwork produced, therefore, the setting of the damping structure by magnet and the arrangement of the apron, rope pull-out and the damping structure of the rope that realizes the rope that the rope pulls out and the rope is comfortable, the comfortable and the easy to take place, the easy popularization purpose, the safety of the easy to take place is suitable for the easy popularization and use, the safety is more moderate.

Furthermore, thickened parts are arranged at the centers of the inner wall surfaces of the first shell and the second shell which are opposite to each other, the end parts of the central shaft are respectively embedded in the corresponding thickened parts, and connecting holes communicated with the interiors of the corresponding thickened parts are further formed in the outer wall surfaces of the first shell and the second shell which are opposite to each other.

Adopt above-mentioned technical scheme's advantage: the setting of thickening portion for the cooperation intensity of center pin and first casing, second casing is high, and connection stability is also good.

Furthermore, an adsorption plate is arranged in a part of the accommodating space corresponding to the first shell, the adsorption plate is used for adsorbing the magnet and is provided with a through hole for the thickened part to pass through, and a fastening piece for fastening the adsorption plate on the first shell is further arranged on the central shaft.

Adopt above-mentioned technical scheme's advantage: the magnet passes through the adsorption plate to be installed on first casing, has avoided the emergence to the structural damage phenomenon of magnet, and the magnet uses more rationally, and the cooperation through-hole and fastener for the position of magnet to effective fixed, cooperation is rational in infrastructure.

Furthermore, bosses located on two sides of the thickened portion are arranged on the inner wall surface, opposite to the cover plate, of the first shell, the surface heights of the two bosses are located on the same plane, and the bosses are abutted and matched with the adsorption plate.

Adopt above-mentioned technical scheme's advantage: the mode of magnet installation depth of parallelism is guaranteed through the boss that adopts the surface to flush, for processing into planar mode with the internal face of the relative apron of first casing, the low of the processing degree of difficulty, structural design is more reasonable.

Further, still include the first lantern ring, the second lantern ring and hollow flexible piece, first lantern ring cup joints on the main part of rope and end are outside, the second lantern ring cup joints on the lower extreme outer wall of the first lantern ring, hollow flexible piece will the first lantern ring, the second lantern ring parcel.

Adopt above-mentioned technical scheme's advantage: through the setting of the first lantern ring and the second lantern ring, the main part of rope and the outside zonulae occludens of end have been guaranteed, and the couple is connected more stably, and the setting of hollow flexible piece has avoided the first lantern ring and the second lantern ring to expose, and the product is pleasing to the eye, when the rope is retrieved and targets in place, can play the effect of buffering, effectual reduction impact force degree simultaneously.

Furthermore, the other end of the rope is provided with a first cushion block, the first cushion block is arranged on the first cushion block, the other end of the rope is matched in the hollow flexible part, the lower end of the pressure spring is matched with the upper end of the first lantern ring, and the upper end of the pressure spring is matched with the lower end of the first cushion block.

Adopt above-mentioned technical scheme's advantage: through the setting of pressure spring and first cushion for the rope is when the backrush targets in place, and hollow flexible component can be better play the cushioning effect, and the cushioning effect is better, and the impact force is littleer.

Furthermore, a second cushion block is arranged at the other end of the rope and below the first sleeve ring, the second cushion block enables the first sleeve ring to be in limit fit in the hollow flexible part, a through hole in the second cushion block is of a long strip-shaped structure, and the width of the through hole is matched with the diameter of the rope.

Adopt above-mentioned technical scheme's advantage: through the setting of second cushion to position formation to the first lantern ring is injectd, makes the rope when receiving the exogenic action, and the pressure spring is located the inside of hollow flexible spare all the time, and the cushioning effect of hollow flexible spare is good, perforates and adopts special shape, makes the main part of rope and the outside connection in end inseparabler, and the couple is connected more stably, uses safelyr.

Further, the inner cavity of the hollow flexible part is composed of a small-diameter section cavity and a large-diameter section cavity which are arranged from top to bottom, the diameter of the first sleeve ring and the diameter of the first cushion block are consistent with the inner diameter of the small-diameter section cavity, and the second sleeve ring and the second cushion block are both located in the large-diameter section cavity.

The technical scheme has the advantages that: when the pressure spring was playing the cushioning effect, first cushion and first lantern ring can not take place the dislocation relative hollow flexible part, had guaranteed the stable use of pressure spring, and the second lantern ring and second cushion cooperate in the big diameter section cavity, can not expose, and are more pleasing to the eye, and simultaneously, the position of second cushion can form effectively to be injectd, and is rational in infrastructure.

Drawings

FIG. 1 is a sectional view of the structure of the present invention;

fig. 2 is a sectional view of the center wheel structure of the present invention;

fig. 3 is a structural sectional view of the hollow flexible member of the present invention.

In the figure: 1-a first shell, 2-a second shell, 3-a central shaft, 4-a central wheel, 5-a rope, 6-a containing space, 7-a rope groove, 8-a containing cavity, 9-a clockwork spring, 10-a cover plate, 11-a magnet, 12-a thickened part, 13-an adsorption plate, 14-a fastener, 15-a boss, 16-a first lantern ring, 17-a second lantern ring, 18-a hollow flexible part, 19-a pressure spring, 20-a first cushion block, 21-a second cushion block, 22-a small-diameter cavity and 23-a large-diameter cavity.

Detailed Description

In order to more clearly illustrate embodiments and/or technical solutions in the prior art, embodiments of the present invention will be described below with reference to the accompanying drawings. It is obvious that the drawings in the following description are only examples of the invention, and that for a person skilled in the art, other drawings and embodiments can be obtained from these drawings without inventive effort. The term "orientation" merely means a relative positional relationship between the respective members, and does not mean an absolute positional relationship.

Referring to fig. 1 to 3, a differential speed reducer with a buffer structure includes a first casing 1, a second casing 2, a central shaft 3, a central wheel 4, and a rope 5, wherein the first casing 1 and the second casing 2 are assembled to form a containing space 6, the central shaft 3 is vertically disposed in the containing space 6, more specifically, two ends of the central shaft 3 are respectively connected to opposite inner walls of the first casing 1 and the second casing 2 in a matching manner, the central wheel 4 is sleeved on the central shaft 3, one end of the rope 5 is wound in a rope groove 7 on a peripheral wall surface outside the central wheel 4, the other end of the rope 5 extends out of the first casing 1 and the second casing 2, and an end of the other end of the rope 5 is wound and folded to mount an external hook, a containing cavity 8 is further disposed on a left end surface of the central wheel 4, a spring 9 for rotating the central shaft 3 after the central shaft 3 rotates is disposed between the central shaft 3 and the containing cavity 8, a cover plate 10 is further disposed at an opening end of the containing cavity 8, the cover plate 10 is made of a non-conductive material and is disposed in the containing cavity 8, two pairs of magnets 11 are disposed on an inner wall surface of the first casing 1 and a magnet 11.

During normal use, rope 5 will freely stretch out and draw back along with the human body, under the effect of clockwork spring 9 with center pin 3 complex, locate the semi-tense state, make operating personnel not have the sense of tractive, when the miss falls, rope 5 pull-out speed obviously accelerates, at this moment because there is magnetic field around magnet 11, magnetic field can form damping effect to clockwork spring 9's forward rotation, thereby slow down rope 5 pull-out speed, make the impact force reduce greatly, avoided forming the emergence of injury phenomenon to the personnel that fall, when the load is relieved, rope 5 realizes retrieving under the effect of clockwork spring 9 elastic potential energy, at this moment because there is magnetic field around magnet 11, magnetic field can also form damping effect to clockwork spring 9's reverse rotation, can make the reverse rotation rate of clockwork spring 9 mild, thereby realize reducing rope 5 retrieval rate, rope 5 retrieves more steadily, the impact force that the recovery produced also can reduce greatly, apron 11's setting, make clockwork spring 9 be restricted in holding cavity 8, can not take place the phenomenon of adsorption contact with magnet 11, magnet 11 and 10 interval relative mounting structure setting, the size of magnet 11 and the reasonable damping effect of the damping, therefore the reasonable damping of the cooperation of the clockwork spring 9 has been realized the smooth use, the buffering of the personnel's easy popularization purpose, the buffering has taken place, the use of the buffering and has more.

In the present embodiment, thickened portions 12 are provided at the centers of the opposite inner wall surfaces of the first housing 1 and the second housing 2, the two end portions of the center shaft 3 are respectively embedded in the corresponding thickened portions 12, and the arrangement of the thickened portions 12 enables the center shaft 3 to be highly fitted with the first housing 1 and the second housing 2, and the connection stability is also excellent.

In this embodiment, the accommodating space 6 is further provided with an adsorption plate 13 in the portion corresponding to the first housing 1, the adsorption plate 13 is used for adsorbing the magnet 11, and it should be noted that, in order to ensure the stability of the installation of the magnet 11, the magnet 11 and the adsorption plate 13 are fixed by adsorption and then reinforced by glue, so that the occurrence of the structural damage phenomenon to the magnet 11 is avoided, and the use of the magnet 11 is more reasonable.

In this embodiment, the adsorption plate 13 is provided with a through hole for the thickened portion 12 to pass through, and the central shaft 3 is further provided with a fastening member 14 for fastening the adsorption plate 13 to the first housing 1, so that the position of the magnet 11 relative to the cover plate 10 is effectively limited through the cooperation of the through hole and the fastening member 14, the cooperation structure is reasonable, and the arrangement of the through hole can also make the overall thickness of the assembled product more reasonable.

In the present embodiment, two fasteners 14 are provided and located at two ends of the central shaft 3, the thickness of the front fastener 14 is the same as the distance from the front end surface of the central wheel 4 to the side thickened portion 12, the thickness of the rear fastener 14 is the same as the distance from the cover plate 10 mounted at the rear end of the central wheel 4 to the side thickened portion 12, that is, the mounting position of the central wheel 4 on the central shaft 3 is defined by the fasteners 14, so as to ensure the relative position with the magnet 11.

In this embodiment, be equipped with the boss 15 that is located thickening portion 12 both sides on the relative apron 10's of first casing 1 internal wall, the surface height of two boss 15 is located the coplanar, boss 15 leans on the cooperation with adsorption plate 13, during the installation, aim at thickening portion 12 with the through-hole on the adsorption plate 13 until the cartridge to forming with boss 15 and lean on, guarantee the mode of magnet 11 installation depth of parallelism through adopting two boss 15, for processing into planar mode with the relative apron 10's of first casing 1 internal wall, the low of the processing degree of difficulty, structural design is more reasonable.

In this embodiment, the speed differentiator further comprises a first lantern ring 16 and a second lantern ring 17, the first lantern ring 16 is sleeved on the outer portion of the main body and the end of the rope 5, the second lantern ring 17 is sleeved on the outer wall of the lower end of the first lantern ring 16, the hollow flexible part 18 wraps the first lantern ring 16 and the second lantern ring 17, it needs to be explained that the first lantern ring 16 is made of aluminum, the second lantern ring 17 is made of steel, the first lantern ring 16 is made of soft material, the second lantern ring 17 made of hard material is arranged on the outer portion of the lower end, the purpose of improving strength can be achieved, the main body and the outer portion of the end of the rope 5 are tightly connected, meanwhile, the first lantern ring 16 is relatively rough after being molded, and the second lantern ring 17 is arranged, and the purpose of improving attractiveness is achieved.

In this embodiment, the speed differentiator still includes the hollow flexible member 18 with first lantern ring 16 and the parcel of second lantern ring 17, and the setting of hollow flexible member 18 has avoided first lantern ring 16 and second lantern ring 17 to expose, and the product is more pleasing to the eye, and when rope 5 retrieved in place, the effectual impact dynamics that reduces the couple can play the effect of buffering simultaneously.

In this embodiment, the other end of the rope 5 is further provided with a pressure spring 19 and a first cushion block 20 which are matched in the hollow flexible part 18, the lower end of the pressure spring 19 is matched with the upper end of the first sleeve ring 16, the upper end of the pressure spring 19 is matched with the lower end of the first cushion block 20, and the rope 5 is made to be in place by the arrangement of the pressure spring 19 and the first cushion block 20, so that the hollow flexible part 18 can better play a buffering role, the buffering effect is better, and the impact force is smaller.

In this embodiment, the other end of rope 5 is located first lantern ring 16 below and still is equipped with second cushion 21, second cushion 21 makes first lantern ring 16 cooperate in hollow flexible piece 18, setting through second cushion 21, thereby position formation to first lantern ring 16 is injectd, make rope 5 when receiving the exogenic action, pressure spring 19 is located the inside of hollow flexible piece 18 all the time, can not take place to deviate from the phenomenon, hollow flexible piece 18 can be better play cushioning effect, buffering effect is better, the impact force degree is littleer, therefore, set up by first cushion 21 on the other end of rope 5, second cushion 22, first lantern ring 16, second lantern ring 17, pressure spring 19, and the buffer structure that hollow flexible piece 18 constitutes, the safe handling of product has further been guaranteed.

In this embodiment, the perforation that supplies rope 5 main part and tip to stretch into on the first lantern ring 16 is the round hole, and the perforation on the second cushion 21 is long strip-shaped structure, and the fenestrate width of long strip-shaped structure cooperatees with the diameter of rope 5, and the perforation of second cushion adopts special shape to the formation has better confining force to rope 5, makes the main part of rope 5 and the outside connection of end inseparabler, and the couple is connected more stably, uses safelyr.

In this embodiment, the inner chamber of hollow flexible spare 18 comprises the little diameter section cavity 22 and the big diameter section cavity 23 that set up from top to bottom, first lantern ring 16, the diameter of first cushion 20 is unanimous with the internal diameter of little diameter section cavity 22, and thus, pressure spring 19 is when playing the cushioning effect, dislocation can not take place for first cushion 20 and first lantern ring 16 relative hollow flexible spare, the stable use of pressure spring 19 has been guaranteed, second lantern ring 16 and second cushion 21 all are located big diameter section cavity 23, make second lantern ring 16 and second cushion 21 can not expose, and is more pleasing to the eye, also make the position of second cushion 21 form effective injecing, rational in infrastructure needs explain, in order to facilitate the installation of second lantern ring 16 and second cushion 21, the internal diameter of hollow flexible spare 18 lower extreme through hole will be greater than little diameter section cavity 22, be less than big diameter section cavity 23 internal diameter.

The foregoing is a more detailed description of the present invention, taken in conjunction with the specific preferred embodiments thereof, and it is not intended that the invention be limited to the specific embodiments shown and described. To the utility model belongs to the technical field of ordinary technical personnel, do not deviate from the utility model discloses under the prerequisite of design, can also make a plurality of simple deductions or replacement, all should regard as belonging to the utility model discloses a protection scope.

Claims (8)

1. The utility model provides a speed differentiator with buffer structure, includes first casing (1), second casing (2), center pin (3), centre wheel (4) to and rope (5), first casing (1) with second casing (2) are assembled mutually and are formed accommodation space (6), center pin (3) are joined in marriage perpendicularly in accommodation space (6), centre wheel (4) suit in on center pin (3), rope (5) one end twine in grooving (7) on the perisporium face of centre wheel (4) outside, the other end of rope (5) stretches out first casing (1) with second casing (2) outside, and the end backrush and draw together its characterized in that: still be equipped with on the left end face of centre wheel (4) and hold cavity (8), center pin (3) with hold and be equipped with between cavity (8) make its clockwork spring (9) of gyration after center pin (3) rotate, the opening end department that holds cavity (8) still installs apron (10), apron (10) make clockwork spring (9) be injectd in hold in cavity (8), first casing (1) is relative still install magnet (11) on the internal face of apron (10), magnet (11) with apron (10) interval is relative.

2. A differential having a damping arrangement according to claim 1, characterised in that: thickened parts (12) are arranged at the centers of the inner wall surfaces of the first shell (1) and the second shell (2) which are opposite to each other, and two end parts of the central shaft (3) are respectively embedded in the corresponding thickened parts (12).

3. A differential drive having a damping structure according to claim 2, wherein: an adsorption plate (13) is further arranged in a part, opposite to the first shell (1), of the accommodating space (6), the adsorption plate (13) is used for adsorbing the magnet (11) and is provided with a through hole for the thickened portion (12) to pass through, and a fastening piece (14) for fastening the adsorption plate (13) to the first shell (1) is further mounted on the central shaft (3).

4. A differential drive having a damping structure according to claim 3, wherein: the inner wall surface of the first shell (1) opposite to the cover plate (10) is provided with bosses (15) located on two sides of the thickened portion (12), the surface heights of the bosses (15) are located on the same plane, and the bosses (15) are abutted to and matched with the adsorption plate (13).

5. A differential having a damping arrangement according to claim 1, characterised in that: the rope is characterized by further comprising a first lantern ring (16), a second lantern ring (17) and a hollow flexible part (18) with two ends penetrating through the first lantern ring (16), the first lantern ring (16) is sleeved on the outer portions of the main body and the end head of the rope (5), the second lantern ring (17) is sleeved on the outer wall of the lower end of the first lantern ring (16), and the hollow flexible part (18) wraps the first lantern ring (16) and the second lantern ring (17).

6. A differential drive having a damping structure according to claim 5, wherein: the other end of the rope (5) is further provided with a pressure spring (19) and a first cushion block (20) which are matched in the hollow flexible part (18), the lower end of the pressure spring (19) is matched with the upper end of the first sleeve ring (16), and the upper end of the pressure spring (19) is matched with the lower end of the first cushion block (20).

7. A differential drive having a damping structure according to claim 6, wherein: the other end of the rope (5) is located a second cushion block (21) is further arranged below the first sleeve ring (16), the second cushion block (21) enables the first sleeve ring (16) to be in limit fit in the hollow flexible part (18), a through hole in the second cushion block (21) is of a long strip-shaped structure, and the width of the through hole is matched with the diameter of the rope (5).

8. A differential drive having a damping structure according to claim 7, wherein: the inner chamber of hollow flexible spare (18) comprises little diameter section cavity (22) and big diameter section cavity (23) of upper and lower intercommunication, first lantern ring (16) the diameter of first cushion (20) with the internal diameter of little diameter section cavity (22) is unanimous, second lantern ring (17) with second cushion (21) all are located in big diameter section cavity (23).

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